| タイトル | Optimal Category-A Helicopter Flight Trajectories for Operation From a Clear Heliport |
| 著者（英） | Aiken, Edwin W.; Sharma, Vivek; Zhao, Yiyuan; Hindson, William S.; Chen, Robert T. N. |
| 著者所属（英） | NASA Ames Research Center |
| 発行日 | 1995-01-01 |
| 言語 | eng |
| 内容記述 | Engine failure represents a major safety hazard to helicopter operation. As a result, FA certifies helicopters according to their abilities to survive engine failures. Federal Aviation Regulation Part 29 specifies that transport helicopters must be certified as either category A or B. Category-B certification applies to either single or multi-engine helicopters with gross weight less than 20,000 lbs. A Category-B helicopter must be able to land safely in the case of one or all engine failures. There is no requirement for continued flight capability. In contrast, Category-A certification applies to multi-engine helicopters with independent engine systems. It requires that helicopter can continue flight with one engine inoperative (OEI). Therefore, Category-A helicopters are capable of operating from rooftops and oil rigs and flying to areas where no emergency landing sites are available. While there is no maximum weight limit, a Category-A helicopter must be able to satisfy OEI operation requirements within the available runway field. Additional information is contained in the original extended abstract. |
| NASA分類 | Aircraft Design, Testing and Performance |
| 権利 | No Copyright |
|
